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344 lines
9.7 KiB
344 lines
9.7 KiB
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("dylan", function(_config) {
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// Words
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var words = {
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// Words that introduce unnamed definitions like "define interface"
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unnamedDefinition: ["interface"],
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// Words that introduce simple named definitions like "define library"
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namedDefinition: ["module", "library", "macro",
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"C-struct", "C-union",
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"C-function", "C-callable-wrapper"
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],
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// Words that introduce type definitions like "define class".
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// These are also parameterized like "define method" and are
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// appended to otherParameterizedDefinitionWords
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typeParameterizedDefinition: ["class", "C-subtype", "C-mapped-subtype"],
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// Words that introduce trickier definitions like "define method".
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// These require special definitions to be added to startExpressions
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otherParameterizedDefinition: ["method", "function",
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"C-variable", "C-address"
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],
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// Words that introduce module constant definitions.
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// These must also be simple definitions and are
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// appended to otherSimpleDefinitionWords
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constantSimpleDefinition: ["constant"],
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// Words that introduce module variable definitions.
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// These must also be simple definitions and are
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// appended to otherSimpleDefinitionWords
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variableSimpleDefinition: ["variable"],
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// Other words that introduce simple definitions
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// (without implicit bodies).
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otherSimpleDefinition: ["generic", "domain",
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"C-pointer-type",
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"table"
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],
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// Words that begin statements with implicit bodies.
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statement: ["if", "block", "begin", "method", "case",
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"for", "select", "when", "unless", "until",
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"while", "iterate", "profiling", "dynamic-bind"
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],
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// Patterns that act as separators in compound statements.
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// This may include any general pattern that must be indented
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// specially.
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separator: ["finally", "exception", "cleanup", "else",
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"elseif", "afterwards"
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],
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// Keywords that do not require special indentation handling,
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// but which should be highlighted
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other: ["above", "below", "by", "from", "handler", "in",
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"instance", "let", "local", "otherwise", "slot",
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"subclass", "then", "to", "keyed-by", "virtual"
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],
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// Condition signaling function calls
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signalingCalls: ["signal", "error", "cerror",
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"break", "check-type", "abort"
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]
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};
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words["otherDefinition"] =
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words["unnamedDefinition"]
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.concat(words["namedDefinition"])
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.concat(words["otherParameterizedDefinition"]);
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words["definition"] =
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words["typeParameterizedDefinition"]
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.concat(words["otherDefinition"]);
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words["parameterizedDefinition"] =
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words["typeParameterizedDefinition"]
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.concat(words["otherParameterizedDefinition"]);
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words["simpleDefinition"] =
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words["constantSimpleDefinition"]
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.concat(words["variableSimpleDefinition"])
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.concat(words["otherSimpleDefinition"]);
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words["keyword"] =
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words["statement"]
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.concat(words["separator"])
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.concat(words["other"]);
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// Patterns
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var symbolPattern = "[-_a-zA-Z?!*@<>$%]+";
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var symbol = new RegExp("^" + symbolPattern);
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var patterns = {
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// Symbols with special syntax
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symbolKeyword: symbolPattern + ":",
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symbolClass: "<" + symbolPattern + ">",
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symbolGlobal: "\\*" + symbolPattern + "\\*",
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symbolConstant: "\\$" + symbolPattern
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};
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var patternStyles = {
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symbolKeyword: "atom",
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symbolClass: "tag",
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symbolGlobal: "variable-2",
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symbolConstant: "variable-3"
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};
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// Compile all patterns to regular expressions
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for (var patternName in patterns)
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if (patterns.hasOwnProperty(patternName))
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patterns[patternName] = new RegExp("^" + patterns[patternName]);
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// Names beginning "with-" and "without-" are commonly
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// used as statement macro
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patterns["keyword"] = [/^with(?:out)?-[-_a-zA-Z?!*@<>$%]+/];
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var styles = {};
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styles["keyword"] = "keyword";
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styles["definition"] = "def";
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styles["simpleDefinition"] = "def";
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styles["signalingCalls"] = "builtin";
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// protected words lookup table
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var wordLookup = {};
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var styleLookup = {};
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[
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"keyword",
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"definition",
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"simpleDefinition",
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"signalingCalls"
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].forEach(function(type) {
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words[type].forEach(function(word) {
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wordLookup[word] = type;
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styleLookup[word] = styles[type];
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});
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});
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function chain(stream, state, f) {
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state.tokenize = f;
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return f(stream, state);
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}
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function tokenBase(stream, state) {
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// String
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var ch = stream.peek();
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if (ch == "'" || ch == '"') {
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stream.next();
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return chain(stream, state, tokenString(ch, "string"));
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}
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// Comment
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else if (ch == "/") {
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stream.next();
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if (stream.eat("*")) {
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return chain(stream, state, tokenComment);
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} else if (stream.eat("/")) {
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stream.skipToEnd();
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return "comment";
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}
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stream.backUp(1);
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}
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// Decimal
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else if (/[+\-\d\.]/.test(ch)) {
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if (stream.match(/^[+-]?[0-9]*\.[0-9]*([esdx][+-]?[0-9]+)?/i) ||
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stream.match(/^[+-]?[0-9]+([esdx][+-]?[0-9]+)/i) ||
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stream.match(/^[+-]?\d+/)) {
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return "number";
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}
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}
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// Hash
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else if (ch == "#") {
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stream.next();
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// Symbol with string syntax
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ch = stream.peek();
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if (ch == '"') {
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stream.next();
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return chain(stream, state, tokenString('"', "string"));
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}
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// Binary number
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else if (ch == "b") {
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stream.next();
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stream.eatWhile(/[01]/);
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return "number";
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}
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// Hex number
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else if (ch == "x") {
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stream.next();
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stream.eatWhile(/[\da-f]/i);
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return "number";
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}
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// Octal number
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else if (ch == "o") {
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stream.next();
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stream.eatWhile(/[0-7]/);
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return "number";
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}
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// Token concatenation in macros
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else if (ch == '#') {
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stream.next();
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return "punctuation";
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}
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// Sequence literals
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else if ((ch == '[') || (ch == '(')) {
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stream.next();
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return "bracket";
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// Hash symbol
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} else if (stream.match(/f|t|all-keys|include|key|next|rest/i)) {
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return "atom";
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} else {
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stream.eatWhile(/[-a-zA-Z]/);
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return "error";
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}
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} else if (ch == "~") {
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stream.next();
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ch = stream.peek();
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if (ch == "=") {
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stream.next();
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ch = stream.peek();
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if (ch == "=") {
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stream.next();
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return "operator";
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}
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return "operator";
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}
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return "operator";
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} else if (ch == ":") {
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stream.next();
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ch = stream.peek();
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if (ch == "=") {
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stream.next();
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return "operator";
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} else if (ch == ":") {
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stream.next();
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return "punctuation";
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}
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} else if ("[](){}".indexOf(ch) != -1) {
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stream.next();
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return "bracket";
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} else if (".,".indexOf(ch) != -1) {
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stream.next();
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return "punctuation";
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} else if (stream.match("end")) {
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return "keyword";
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}
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for (var name in patterns) {
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if (patterns.hasOwnProperty(name)) {
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var pattern = patterns[name];
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if ((pattern instanceof Array && pattern.some(function(p) {
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return stream.match(p);
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})) || stream.match(pattern))
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return patternStyles[name];
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}
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}
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if (/[+\-*\/^=<>&|]/.test(ch)) {
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stream.next();
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return "operator";
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}
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if (stream.match("define")) {
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return "def";
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} else {
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stream.eatWhile(/[\w\-]/);
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// Keyword
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if (wordLookup[stream.current()]) {
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return styleLookup[stream.current()];
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} else if (stream.current().match(symbol)) {
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return "variable";
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} else {
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stream.next();
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return "variable-2";
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}
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}
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}
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function tokenComment(stream, state) {
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var maybeEnd = false, maybeNested = false, nestedCount = 0, ch;
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while ((ch = stream.next())) {
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if (ch == "/" && maybeEnd) {
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if (nestedCount > 0) {
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nestedCount--;
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} else {
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state.tokenize = tokenBase;
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break;
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}
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} else if (ch == "*" && maybeNested) {
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nestedCount++;
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}
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maybeEnd = (ch == "*");
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maybeNested = (ch == "/");
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}
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return "comment";
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}
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function tokenString(quote, style) {
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return function(stream, state) {
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var escaped = false, next, end = false;
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while ((next = stream.next()) != null) {
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if (next == quote && !escaped) {
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end = true;
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break;
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}
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escaped = !escaped && next == "\\";
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}
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if (end || !escaped) {
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state.tokenize = tokenBase;
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}
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return style;
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};
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}
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// Interface
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return {
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startState: function() {
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return {
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tokenize: tokenBase,
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currentIndent: 0
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};
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},
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token: function(stream, state) {
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if (stream.eatSpace())
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return null;
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var style = state.tokenize(stream, state);
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return style;
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},
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blockCommentStart: "/*",
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blockCommentEnd: "*/"
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};
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});
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CodeMirror.defineMIME("text/x-dylan", "dylan");
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});
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